class RenameUserFavoriteInfosSubjectIdToUserFavoriteSubjectId < ActiveRecord::Migration
  def self.up
  	rename_column :user_favorite_infos, :subject_id, :user_favorite_subject_id
  end

  def self.down
  	rename_column :user_favorite_infos, :user_favorite_subject_id, :subject_id
  end
end
